RadioBanter - View Single Post

December 5th 05, 09:22 PM posted to rec.radio.amateur.antenna

wrote:

Questions:

1) Since I have an 8 foot limit for radials, could I have 1/4
wavelength helical radials for 40m that could fit into an 8 foot
length?

1a) Could I do the same helical trick for the radiator as well?

2) My base 1 inch diameter galvanized pipe is presently 2 1/2 foot into
a 2 1/2 foot cube concrete filled hole with 2 1/2 foot exposed. What
could I screw in it that would not need guying, and would not bend nor
sway in 100 mph wind, and how high could I make that?

3) If I run up a metal pipe to 20 foot and then an insulated wire from
the dirt to the top alongside the pipe as my radiator, what effect will
the pipe have on the radiating wire?

Sounds to me like you are trying to fit the wrong antenna into the
wrong space.

Can you put radials in/on the ground? Can they be longer than 8 feet then?

And finally, can you put up a dipole or other wire antenna? If so, your
wife isn't going to be too happy when she sees the cost difference
between the dipole and what you already spent on the vertical. Dunno if
you have many trees in your area or not. But a dipole can be pretty
good, esp if money is tight. I have both a dipole (OCF) and a vertical.
They both work better than each other.... at certain times. 8^)

ALso, what bands are you trying to run?

- 73 de Mike KB3EIA -